check whether all the values in array is same or not in javascript
Hi guys i have one js function in that i have one array which will get the depotidowner id's it will be like 1,2,4,5,6
So what i am trying is i would like to check the condition like if all the values in array is same then return that value if not return false;
Here is my array:
function createOrderForTicket()
var selectedVehicles = ;
var selectedVehiclesDepotIds = ;
$('#vehicleListForNewOrder input:checked').each(function()
selectedVehicles.push($(this).val());
selectedVehiclesDepotIds.attr('depotIdOwner');
);
if (0 === selectedVehicles.length)
$('#vehicleListForNewOrderError').show();
$('#vehicleListForNewOrderError').addClass('error');
return false;
if (0 === selectedVehiclesDepotIds.length)
return false;
var vehicleIds = selectedVehicles.join(',');
var contactId = $('#contactId').val();
var personId = $('#personId').val();
var ticketId = $('#ticketId').val();
var depotIdOwner = selectedVehiclesDepotIds.val();
var url = vbdBaseUrl + '/order/customer/index/contactId/' + contactId +
'/personId/' + personId + '/ticketId/' + ticketId + '/vehicleId/' + vehicleIds + '/id/';
if (depotIdOwner)
url = url + '/depotId/' + depotIdOwner;
window.open(url, '_blank');
location.reload();
javascript
|
show 3 more comments
Hi guys i have one js function in that i have one array which will get the depotidowner id's it will be like 1,2,4,5,6
So what i am trying is i would like to check the condition like if all the values in array is same then return that value if not return false;
Here is my array:
function createOrderForTicket()
var selectedVehicles = ;
var selectedVehiclesDepotIds = ;
$('#vehicleListForNewOrder input:checked').each(function()
selectedVehicles.push($(this).val());
selectedVehiclesDepotIds.attr('depotIdOwner');
);
if (0 === selectedVehicles.length)
$('#vehicleListForNewOrderError').show();
$('#vehicleListForNewOrderError').addClass('error');
return false;
if (0 === selectedVehiclesDepotIds.length)
return false;
var vehicleIds = selectedVehicles.join(',');
var contactId = $('#contactId').val();
var personId = $('#personId').val();
var ticketId = $('#ticketId').val();
var depotIdOwner = selectedVehiclesDepotIds.val();
var url = vbdBaseUrl + '/order/customer/index/contactId/' + contactId +
'/personId/' + personId + '/ticketId/' + ticketId + '/vehicleId/' + vehicleIds + '/id/';
if (depotIdOwner)
url = url + '/depotId/' + depotIdOwner;
window.open(url, '_blank');
location.reload();
javascript
Possible duplicate of Check if all values of array are equal
– Zenoo
Nov 12 at 9:56
A simple loop will do, start off by comparing length, if both lengths are the same then compare each element.
– SPlatten
Nov 12 at 9:57
i didn't understand can you please explain clearly
– suresh
Nov 12 at 9:59
@Zenoo i have checked that link i haven't understand how to use so thats why i have posted another question..can you please explain me brielfy
– suresh
Nov 12 at 9:59
If I understand correctly, you are trying to check if array contains duplicate values, is that right? Could you please post array with example values?
– Tornike Shavishvili
Nov 12 at 10:03
|
show 3 more comments
Hi guys i have one js function in that i have one array which will get the depotidowner id's it will be like 1,2,4,5,6
So what i am trying is i would like to check the condition like if all the values in array is same then return that value if not return false;
Here is my array:
function createOrderForTicket()
var selectedVehicles = ;
var selectedVehiclesDepotIds = ;
$('#vehicleListForNewOrder input:checked').each(function()
selectedVehicles.push($(this).val());
selectedVehiclesDepotIds.attr('depotIdOwner');
);
if (0 === selectedVehicles.length)
$('#vehicleListForNewOrderError').show();
$('#vehicleListForNewOrderError').addClass('error');
return false;
if (0 === selectedVehiclesDepotIds.length)
return false;
var vehicleIds = selectedVehicles.join(',');
var contactId = $('#contactId').val();
var personId = $('#personId').val();
var ticketId = $('#ticketId').val();
var depotIdOwner = selectedVehiclesDepotIds.val();
var url = vbdBaseUrl + '/order/customer/index/contactId/' + contactId +
'/personId/' + personId + '/ticketId/' + ticketId + '/vehicleId/' + vehicleIds + '/id/';
if (depotIdOwner)
url = url + '/depotId/' + depotIdOwner;
window.open(url, '_blank');
location.reload();
javascript
Hi guys i have one js function in that i have one array which will get the depotidowner id's it will be like 1,2,4,5,6
So what i am trying is i would like to check the condition like if all the values in array is same then return that value if not return false;
Here is my array:
function createOrderForTicket()
var selectedVehicles = ;
var selectedVehiclesDepotIds = ;
$('#vehicleListForNewOrder input:checked').each(function()
selectedVehicles.push($(this).val());
selectedVehiclesDepotIds.attr('depotIdOwner');
);
if (0 === selectedVehicles.length)
$('#vehicleListForNewOrderError').show();
$('#vehicleListForNewOrderError').addClass('error');
return false;
if (0 === selectedVehiclesDepotIds.length)
return false;
var vehicleIds = selectedVehicles.join(',');
var contactId = $('#contactId').val();
var personId = $('#personId').val();
var ticketId = $('#ticketId').val();
var depotIdOwner = selectedVehiclesDepotIds.val();
var url = vbdBaseUrl + '/order/customer/index/contactId/' + contactId +
'/personId/' + personId + '/ticketId/' + ticketId + '/vehicleId/' + vehicleIds + '/id/';
if (depotIdOwner)
url = url + '/depotId/' + depotIdOwner;
window.open(url, '_blank');
location.reload();
javascript
javascript
edited Nov 12 at 10:11
asked Nov 12 at 9:55
suresh
29410
29410
Possible duplicate of Check if all values of array are equal
– Zenoo
Nov 12 at 9:56
A simple loop will do, start off by comparing length, if both lengths are the same then compare each element.
– SPlatten
Nov 12 at 9:57
i didn't understand can you please explain clearly
– suresh
Nov 12 at 9:59
@Zenoo i have checked that link i haven't understand how to use so thats why i have posted another question..can you please explain me brielfy
– suresh
Nov 12 at 9:59
If I understand correctly, you are trying to check if array contains duplicate values, is that right? Could you please post array with example values?
– Tornike Shavishvili
Nov 12 at 10:03
|
show 3 more comments
Possible duplicate of Check if all values of array are equal
– Zenoo
Nov 12 at 9:56
A simple loop will do, start off by comparing length, if both lengths are the same then compare each element.
– SPlatten
Nov 12 at 9:57
i didn't understand can you please explain clearly
– suresh
Nov 12 at 9:59
@Zenoo i have checked that link i haven't understand how to use so thats why i have posted another question..can you please explain me brielfy
– suresh
Nov 12 at 9:59
If I understand correctly, you are trying to check if array contains duplicate values, is that right? Could you please post array with example values?
– Tornike Shavishvili
Nov 12 at 10:03
Possible duplicate of Check if all values of array are equal
– Zenoo
Nov 12 at 9:56
Possible duplicate of Check if all values of array are equal
– Zenoo
Nov 12 at 9:56
A simple loop will do, start off by comparing length, if both lengths are the same then compare each element.
– SPlatten
Nov 12 at 9:57
A simple loop will do, start off by comparing length, if both lengths are the same then compare each element.
– SPlatten
Nov 12 at 9:57
i didn't understand can you please explain clearly
– suresh
Nov 12 at 9:59
i didn't understand can you please explain clearly
– suresh
Nov 12 at 9:59
@Zenoo i have checked that link i haven't understand how to use so thats why i have posted another question..can you please explain me brielfy
– suresh
Nov 12 at 9:59
@Zenoo i have checked that link i haven't understand how to use so thats why i have posted another question..can you please explain me brielfy
– suresh
Nov 12 at 9:59
If I understand correctly, you are trying to check if array contains duplicate values, is that right? Could you please post array with example values?
– Tornike Shavishvili
Nov 12 at 10:03
If I understand correctly, you are trying to check if array contains duplicate values, is that right? Could you please post array with example values?
– Tornike Shavishvili
Nov 12 at 10:03
|
show 3 more comments
2 Answers
2
active
oldest
votes
Here is one approach to how you might do this. A Set
in javascript can only hold unique values, thus, if its size equates to 1, then the array has all equal values, if its size equates to something greater than one, then all the values are not unique:
Take a look at the snippet below:
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
For your example you can use this function like so:
let res = isUniqueArr(selectedVehiclesDepotIds);
To get the result, where res
is either false
or the number which appears across the entire array.
This function can be applied to your code like so:
function checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
var tmp = new Set(selectedVehiclesDepotIds);
if(tmp.size > 1)
return false;
return arr[0];
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
// Your createOrderForTicket() goes under here
Then in your createOrderForTicket()
function you can do the following:
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
In the above example,aArr
is one example of an array, andbArr
is another example of a given array. So, you can use the functionisUniqueArr
to check any array.
– Nick Parsons
Nov 12 at 10:12
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into theisUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check theselectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doingisUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
|
show 4 more comments
The following code Should work for you. Fill free to ask any questions you might have.
var arrayTocheck1 = [1,2,3,4];
var arrayTocheck2 = [1,1,1,1];
function checkIfAllTheSame(arr)
var i = 0;
var allTheSame = false;
if(arr && arr.length > 0)
allTheSame = true;
var firstElement = arr[0];
for(i=1; i<arr.length; i++)
if(arr[i] !== firstElement)
allTheSame=false;
i=arr.length;
return allTheSame;
function getCommon(arr)
if(checkIfAllTheSame(arr))
return arr[0];
return null;
alert(getCommon(arrayTocheck1));
alert(getCommon(arrayTocheck2));
let me check your code
– suresh
Nov 12 at 10:28
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
Here is one approach to how you might do this. A Set
in javascript can only hold unique values, thus, if its size equates to 1, then the array has all equal values, if its size equates to something greater than one, then all the values are not unique:
Take a look at the snippet below:
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
For your example you can use this function like so:
let res = isUniqueArr(selectedVehiclesDepotIds);
To get the result, where res
is either false
or the number which appears across the entire array.
This function can be applied to your code like so:
function checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
var tmp = new Set(selectedVehiclesDepotIds);
if(tmp.size > 1)
return false;
return arr[0];
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
// Your createOrderForTicket() goes under here
Then in your createOrderForTicket()
function you can do the following:
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
In the above example,aArr
is one example of an array, andbArr
is another example of a given array. So, you can use the functionisUniqueArr
to check any array.
– Nick Parsons
Nov 12 at 10:12
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into theisUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check theselectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doingisUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
|
show 4 more comments
Here is one approach to how you might do this. A Set
in javascript can only hold unique values, thus, if its size equates to 1, then the array has all equal values, if its size equates to something greater than one, then all the values are not unique:
Take a look at the snippet below:
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
For your example you can use this function like so:
let res = isUniqueArr(selectedVehiclesDepotIds);
To get the result, where res
is either false
or the number which appears across the entire array.
This function can be applied to your code like so:
function checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
var tmp = new Set(selectedVehiclesDepotIds);
if(tmp.size > 1)
return false;
return arr[0];
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
// Your createOrderForTicket() goes under here
Then in your createOrderForTicket()
function you can do the following:
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
In the above example,aArr
is one example of an array, andbArr
is another example of a given array. So, you can use the functionisUniqueArr
to check any array.
– Nick Parsons
Nov 12 at 10:12
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into theisUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check theselectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doingisUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
|
show 4 more comments
Here is one approach to how you might do this. A Set
in javascript can only hold unique values, thus, if its size equates to 1, then the array has all equal values, if its size equates to something greater than one, then all the values are not unique:
Take a look at the snippet below:
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
For your example you can use this function like so:
let res = isUniqueArr(selectedVehiclesDepotIds);
To get the result, where res
is either false
or the number which appears across the entire array.
This function can be applied to your code like so:
function checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
var tmp = new Set(selectedVehiclesDepotIds);
if(tmp.size > 1)
return false;
return arr[0];
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
// Your createOrderForTicket() goes under here
Then in your createOrderForTicket()
function you can do the following:
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
Here is one approach to how you might do this. A Set
in javascript can only hold unique values, thus, if its size equates to 1, then the array has all equal values, if its size equates to something greater than one, then all the values are not unique:
Take a look at the snippet below:
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
For your example you can use this function like so:
let res = isUniqueArr(selectedVehiclesDepotIds);
To get the result, where res
is either false
or the number which appears across the entire array.
This function can be applied to your code like so:
function checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
var tmp = new Set(selectedVehiclesDepotIds);
if(tmp.size > 1)
return false;
return arr[0];
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
// Your createOrderForTicket() goes under here
Then in your createOrderForTicket()
function you can do the following:
var res = checkIfAllTheSelectedVehiclesDepotIdsSame(selectedVehiclesDepotIds)
if(res == false)
// logged in depot id
else
// store the value held in res
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
const aArr = [1, 2, 3, 4, 5];
const bArr = [1, 1, 1, 1, 1];
const isUniqueArr = arr =>
const tmp = new Set(arr);
if(tmp.size > 1)
return false;
return arr[0];
console.log(isUniqueArr(aArr)); // expected: false
console.log(isUniqueArr(bArr)); // expected: 1
edited Nov 12 at 11:14
answered Nov 12 at 10:07
Nick Parsons
4,4462721
4,4462721
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
In the above example,aArr
is one example of an array, andbArr
is another example of a given array. So, you can use the functionisUniqueArr
to check any array.
– Nick Parsons
Nov 12 at 10:12
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into theisUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check theselectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doingisUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
|
show 4 more comments
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
In the above example,aArr
is one example of an array, andbArr
is another example of a given array. So, you can use the functionisUniqueArr
to check any array.
– Nick Parsons
Nov 12 at 10:12
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into theisUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check theselectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doingisUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
how can i approach in my case..sorry i am new to js so littile bit difficult to understand for me
– suresh
Nov 12 at 10:08
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
can you please modfy your code as per my code
– suresh
Nov 12 at 10:12
In the above example,
aArr
is one example of an array, and bArr
is another example of a given array. So, you can use the function isUniqueArr
to check any array.– Nick Parsons
Nov 12 at 10:12
In the above example,
aArr
is one example of an array, and bArr
is another example of a given array. So, you can use the function isUniqueArr
to check any array.– Nick Parsons
Nov 12 at 10:12
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
so in my case what are the 2 arrays which i need to check for the condition and please check my question i have edited my question with full code
– suresh
Nov 12 at 10:14
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into the
isUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check the selectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doing isUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
In your question you state " i would like to check the condition like if all the values in array is same then return that value if not return false;" You only need one array to do the check. The array which you pass into the
isUniqueArr
is the array which you want to check if it is unique. In my example I used two arrays to demonstrate two different possible outputs of the function. In your case, I'm assuming you just want to check the selectedVehiclesDepotIds
array to check if it has unique values or not. You can do this by doing isUniqueArr(selectedVehiclesDepotIds)
– Nick Parsons
Nov 12 at 10:17
|
show 4 more comments
The following code Should work for you. Fill free to ask any questions you might have.
var arrayTocheck1 = [1,2,3,4];
var arrayTocheck2 = [1,1,1,1];
function checkIfAllTheSame(arr)
var i = 0;
var allTheSame = false;
if(arr && arr.length > 0)
allTheSame = true;
var firstElement = arr[0];
for(i=1; i<arr.length; i++)
if(arr[i] !== firstElement)
allTheSame=false;
i=arr.length;
return allTheSame;
function getCommon(arr)
if(checkIfAllTheSame(arr))
return arr[0];
return null;
alert(getCommon(arrayTocheck1));
alert(getCommon(arrayTocheck2));
let me check your code
– suresh
Nov 12 at 10:28
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
add a comment |
The following code Should work for you. Fill free to ask any questions you might have.
var arrayTocheck1 = [1,2,3,4];
var arrayTocheck2 = [1,1,1,1];
function checkIfAllTheSame(arr)
var i = 0;
var allTheSame = false;
if(arr && arr.length > 0)
allTheSame = true;
var firstElement = arr[0];
for(i=1; i<arr.length; i++)
if(arr[i] !== firstElement)
allTheSame=false;
i=arr.length;
return allTheSame;
function getCommon(arr)
if(checkIfAllTheSame(arr))
return arr[0];
return null;
alert(getCommon(arrayTocheck1));
alert(getCommon(arrayTocheck2));
let me check your code
– suresh
Nov 12 at 10:28
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
add a comment |
The following code Should work for you. Fill free to ask any questions you might have.
var arrayTocheck1 = [1,2,3,4];
var arrayTocheck2 = [1,1,1,1];
function checkIfAllTheSame(arr)
var i = 0;
var allTheSame = false;
if(arr && arr.length > 0)
allTheSame = true;
var firstElement = arr[0];
for(i=1; i<arr.length; i++)
if(arr[i] !== firstElement)
allTheSame=false;
i=arr.length;
return allTheSame;
function getCommon(arr)
if(checkIfAllTheSame(arr))
return arr[0];
return null;
alert(getCommon(arrayTocheck1));
alert(getCommon(arrayTocheck2));
The following code Should work for you. Fill free to ask any questions you might have.
var arrayTocheck1 = [1,2,3,4];
var arrayTocheck2 = [1,1,1,1];
function checkIfAllTheSame(arr)
var i = 0;
var allTheSame = false;
if(arr && arr.length > 0)
allTheSame = true;
var firstElement = arr[0];
for(i=1; i<arr.length; i++)
if(arr[i] !== firstElement)
allTheSame=false;
i=arr.length;
return allTheSame;
function getCommon(arr)
if(checkIfAllTheSame(arr))
return arr[0];
return null;
alert(getCommon(arrayTocheck1));
alert(getCommon(arrayTocheck2));
edited Nov 12 at 10:29
answered Nov 12 at 10:19
Tornike Shavishvili
61021022
61021022
let me check your code
– suresh
Nov 12 at 10:28
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
add a comment |
let me check your code
– suresh
Nov 12 at 10:28
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
let me check your code
– suresh
Nov 12 at 10:28
let me check your code
– suresh
Nov 12 at 10:28
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
@suresh i have edited my answer for syntax errors. please check the latest one.
– Tornike Shavishvili
Nov 12 at 10:29
add a comment |
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Possible duplicate of Check if all values of array are equal
– Zenoo
Nov 12 at 9:56
A simple loop will do, start off by comparing length, if both lengths are the same then compare each element.
– SPlatten
Nov 12 at 9:57
i didn't understand can you please explain clearly
– suresh
Nov 12 at 9:59
@Zenoo i have checked that link i haven't understand how to use so thats why i have posted another question..can you please explain me brielfy
– suresh
Nov 12 at 9:59
If I understand correctly, you are trying to check if array contains duplicate values, is that right? Could you please post array with example values?
– Tornike Shavishvili
Nov 12 at 10:03